| Truesdale, H.; 1951 Red Book; 1951 | 1951 Red Book | 1951-00-00 | ECCLES II | Chief Engineer |
| Truesdale, H.; 1952 Red Book; 1952 | 1952 Red Book | 1952-00-00 | ECCLES II | Chief Engineer |
| Truesdale, H.; 1953 Red Book; 1953 | 1953 Red Book | 1953-00-00 | ECCLES II | Chief Engineer |
| Truesdale, H.; 1954 Red Book; 1954 | 1954 Red Book | 1954-00-00 | ECCLES II | Chief Engineer |
| Truesdale, H.; 1955 Red Book; 1955 | 1955 Red Book | 1955-00-00 | ECCLES II | Chief Engineer |
| Truesdale, H.; 1956 Red Book; 1956 | 1956 Red Book | 1956-00-00 | ECCLES II | Chief Engineer |
| Truesdale, H.; 1957 Red Book; 1957 | 1957 Red Book | 1957-00-00 | ECCLES II | Chief Engineer |
| Truesdale, H.; 1958 Red Book; 1958 | 1958 Red Book | 1958-00-00 | ECCLES II | Chief Engineer |